alertmanager/notify/webhook/webhook_test.go

101 lines
2.7 KiB
Go

// Copyright 2019 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package webhook
import (
"bytes"
"fmt"
"io"
"net/http"
"net/url"
"testing"
"github.com/go-kit/log"
commoncfg "github.com/prometheus/common/config"
"github.com/stretchr/testify/require"
"github.com/prometheus/alertmanager/config"
"github.com/prometheus/alertmanager/notify/test"
"github.com/prometheus/alertmanager/types"
)
func TestWebhookRetry(t *testing.T) {
u, err := url.Parse("http://example.com")
if err != nil {
require.NoError(t, err)
}
notifier, err := New(
&config.WebhookConfig{
URL: &config.URL{URL: u},
HTTPConfig: &commoncfg.HTTPClientConfig{},
},
test.CreateTmpl(t),
log.NewNopLogger(),
)
if err != nil {
require.NoError(t, err)
}
t.Run("test retry status code", func(t *testing.T) {
for statusCode, expected := range test.RetryTests(test.DefaultRetryCodes()) {
actual, _ := notifier.retrier.Check(statusCode, nil)
require.Equal(t, expected, actual, fmt.Sprintf("error on status %d", statusCode))
}
})
t.Run("test retry error details", func(t *testing.T) {
for _, tc := range []struct {
status int
body io.Reader
exp string
}{
{
status: http.StatusBadRequest,
body: bytes.NewBuffer([]byte(
`{"status":"invalid event"}`,
)),
exp: fmt.Sprintf(`unexpected status code %d: %s: {"status":"invalid event"}`, http.StatusBadRequest, u.String()),
},
{
status: http.StatusBadRequest,
exp: fmt.Sprintf(`unexpected status code %d: %s`, http.StatusBadRequest, u.String()),
},
} {
t.Run("", func(t *testing.T) {
_, err = notifier.retrier.Check(tc.status, tc.body)
require.Equal(t, tc.exp, err.Error())
})
}
})
}
func TestWebhookTruncateAlerts(t *testing.T) {
alerts := make([]*types.Alert, 10)
truncatedAlerts, numTruncated := truncateAlerts(0, alerts)
require.Len(t, truncatedAlerts, 10)
require.EqualValues(t, numTruncated, 0)
truncatedAlerts, numTruncated = truncateAlerts(4, alerts)
require.Len(t, truncatedAlerts, 4)
require.EqualValues(t, numTruncated, 6)
truncatedAlerts, numTruncated = truncateAlerts(100, alerts)
require.Len(t, truncatedAlerts, 10)
require.EqualValues(t, numTruncated, 0)
}